CVE-2022-3559 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Exim

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-416 — Use After Free6 documents6 sources
Severity
7.5HIGHNVD
CNA4.6
EPSS
0.7%
top 28.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
EximFedoraproject Fedora
Timeline
PublishedOct 17
Latest updateNov 24

Description

A vulnerability was found in Exim and classified as problematic. This issue affects some unknown processing of the component Regex Handler. The manipulation leads to use after free. The name of the patch is 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2. It is recommended to apply a patch to fix this issue. The identifier VDB-211073 was assigned to this vulnerability.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

▶NVDexim/exim< 4.97

Also affects: Fedora 35, 36, 37

Patches

Patch: bugs.exim.org ↗Patch: git.exim.org ↗Patch: bugs.exim.org ↗

🔴Vulnerability Details

3
CVEList
Exim Regex use after free↗2022-10-17
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OSV
CVE-2022-3559: A vulnerability was found in Exim and classified as problematic↗2022-10-17
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GHSA
GHSA-86wj-xg3c-r8gx: A vulnerability was found in Exim and classified as critical↗2022-10-17
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📋Vendor Advisories

2
Ubuntu
Exim vulnerability↗2022-11-24
▶
Debian
CVE-2022-3559: exim4 - A vulnerability was found in Exim and classified as problematic. This issue affe...↗2022
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